TUNE ball bearings 6903 | 61903 2RS
Replacement bearings for Tune rear hub where already 61903 2RS or 6903RS were installed.
The high-quality industrial standard bearings with contact seals on both sides have optimal stability and survive even wiedrigste weather conditions.
After installing the new seals may run slightly heavier, the known low-friction arises after a few kilometers on again. The bearings are provided with a lubrication for life, the seals may not be removed.
Outer diameter: 30 mm
Inner Diameter: 17 mm
Bearing width: 7 mm
Seals on both sides grinding
Compatibility: From year 2011, 17 mm axle , Tune Prince / Tune Kong (1x on the Bremsflanschseite)
Delivery: 1x warehouse